Apparatus for forming and handling paper rolls



March 6, 1928.

G. W. DINGEE APPARATUS FOR FORMING AND HANDLING PAPER ROLLS Filed June a. 1922 2 Sheets-Sheet 1 INVENTOR ka/yeflflfirhyee BY 19W ATTORNEYS March 6, 1928.

G. W. DINGEE APPARATUS FOR FORMING AND HANDLING PAPER ROLLS.

2 Sheets-Sheet 2 Filed June 8. 1922 INVENTOR Geo/ye Wfir'ngee QM BY '64,?

ATTORNEYS Patented Mar. 6, 1928.

GEORGE W. muons, or once, NEW YORK.

APPARATUS FOR FORMING AND KANDLII IG PAPER ROLLS.

Application filed June 8,

This invention relates, to rolls of paper, method of forming, and devices for formin and handling the same.

n the ordinary method of manufacturing paper, such as newsprint-paper, the finished paper taken from the dryer and calendar rolls of the paper making machine is rolled onto large rolls known-as stock rolls. The paper making machine is usually provided ID with devices so that the finshed product can be rolled upon at least two such rolls. The finished paper forming stock rolls is then passed about suitable rolls to a slitter and trimmer and to a winding mechanism where it is wound in rolls of'the proper size to suit the customer. The winding mechanism usually comprises a pair of power driven drums about which the slitted and trimmed paper is passed and on top of these drums the finished roll of paper is formed. In forming this roll of paper the end of the web is wrapped about a pipe, and the pipe and paper rested upon the top of the drums.

The frictional contact between the drums and paper causes the'pipe to roll about and wind the paper thereon. In mills, making newsprint-paper it is common to form two 7 2 inch rolls of paper simltaneously on two pieces of 4 inch pipe. The finished rolls are .then ready for shipment to the printing establishment, the iron pipes bein retained in the roll. In the pressroom a ong shaft is passed through the pipe, this shaft being provided with devices for cooperating with an adjustable brake carried on the printingpress so that a drag may be imposed on the roll of paper as it is being drawn into the press. As it is inconvenient to fasten the a shaft and pipe together, it is usual to drive 40 a clutch into the end of the paper roll. This mutilatcs the inner quarter inch of the paper roll, so that it is not suitable to be carried through the machine and made into finished newspapers. This amount of paper is scrap and must be disposed of as such.

After the used paper and the scrap have been removed from the iron pipes, these pipes are stored until a suflicient number accumulate to fill'a freight car whereupon they are returned to the paper mill.

The procedure thus outlined is standard in most paper making and newspaper plants.

1922. Serial ire/566,831.

It has great disadvantages. There is an enormous investment in iron pipe and in facilities for warehousing. Its depreciation is very rapid and considerable labor is entailed in accounting for and handling the pipe, both at the paper mill and in the printin plant. These disadvantages are insignificant as compared with the freight charges for shlpping the pipe back and forth. It is shipped as paper to the printing establishment and then must be returned as ironpipe to thepaper mill. Owing to the distances separating paper mills and printin -establishments consumm large amounts of paper, the enormity 0 this expense is obvious.

The invention relates to an improved method of putting up rolls of fabric such as paper for printing presses and similar materials and consists in winding a roll thereof on to a core so constructed that it can be contracted or expanded at will to remove it from the roll when completed or to mount the roll on a similar core for unwinding, and providing means for preventing the center of the roll from unwinding or otherwise collapsing after the core has been removed.

An ob ect of the present invention is to provide an improved method of rolling the paper whereby it is possible to eliminate the trouble and expense incident upon handling the iron pipes. A further object of the invention is to provide devices for usein carrying .out this method.

More specifically an object of the resent invention is to make a core out of t e first few turns of paper as it is being rolled.

A further object of the invention is to provide a pasting device by which adhesive is applied to the aper to form the inner part of. the roll so t at the paper may, itself become a pasted core.

A further object of the invention is to pryvide devices whereby the amount of paper to be used in making this core is automatically determined.

The invention also contemplates the mounting of a light tube on the core and winding the fabric thereon so that when the core is contracted and removed the tube will prevent unwinding and retain the hole through the roll substantially cylindrical.

at a high freight rate,

It further consists in forming a tube on the core of the fabric bein wound, by coating at least one surface 0 the fabric with an adhesive material for a predetermined number of revolutions of the core and then winding the balance of the roll in the ordinary manner without adhesive material.

Other objects of the invention will be obvious as the description proceeds.

This invention preferably contemplates the use of an expansible mandrel, such as is presented in the companion application, Serial N 0. 60,538, filed October 15, 1926, which has been filed as a division of this case. Now patent No. 1,627,729.

The accompanying drawin s show for purposes of illustration the met 0d of carrying out the invention and one of the many possible embodiments in which the invention mziy take form.

ig. l is a side elevation of winding mechanism with associated adhesive applying devices;

Fig. 2 is a plan view of the device shown in Fig. 1;

Fig. 3 illustrates a roll of paper made in accordance with the present invention- Reference is now made to the drawings, which show one form of winding mechanism used for winding paper into rolls, together with a form of adhesive applying devices associated with the same in accordance with the present invention.

The web of paper A comes from the stock rolls in the usual fashion and passes between a roll and a slitter 21 where it is cut into one or more webs and is trimmed, as and if desired. The paper then passes underneath a large drum 22 and about a power driven drum 23 in the usual manner. A pinion 25 meshes with gears 26 and 27 to drive the drums in unison. The drums 23 and 24 are separated a short distance and a mandrel 28, of the character above referred to, is adapted to be rested on top of the drums and to have the paper wound thereon.

Underneath the drums 22, 23 and 24 there is arranged an adhesive receptacle 29 adapted to be filled with adhesive material 30. The receptacle 29 is carried on wheels 31 which rest on tracks 32 so that the adhesive container can be moved out from under the drums. A drum 33 is supported in bearings 34 in the lower part of the tank 29, the drum being partly submerged in the adhesive. An adhesive applying roll 35 is carried on arms 36 and 37, which arms are pivoted on shaft 34'. A pinion 38 at the end of the drum 35 is adapted to mesh with the gear 26 on the drum 23 and with a gear 39 on the shaft 34'. The arms 36 and 37 are each connected throu l1 shackles 40 and 41 to leaf springs 42 an 43, and these springs are connected by arms 44 and 45 to a shaft 46. They are keyed to this shaft by keys 47. The shaft 46 is mounted inbearings 48 to support it from the receptacle 29. One end 49 of the shaft is squared, as indicated, and extends out a little way from.the hearing 48.

The main frame 50 of the winding machine has a transverse aperture 51 through which a short shaft 52 passes, the inner end of the shaft having a squared hole to fit the squared end of shaft 46, and an arm 53 is pinned to the outer end of the shaft 52. A loosed key 54 is passed down into a slot in the frame so as to prevent the shaft 52 from sliding in the aperture 51. A long arm or lever 54 is ivoted at 55 in the end of the arm 53. T e outer end of the lever 54 is provided with a follower 56 adapted to follow threads 57 on an extension of the shaft 58 on which roller 24 is mounted. A shelf 59 is adapted to hold the arm 54 when it is off the screw.

The device is shown in full lines, in the position that is assumed when a pasted tube is being prepared on the mandrel 28. The web of paper after passing through the slitting and trimming mechanisms where such mechanisms are used), is asse under the drums 22 and 23 and is rought up over and around the mandrel 28.- The paper and mandrel rest upon the cylinders 23 and 24 and, as these cylinders are power driven, they draw the paper from the stock roll and wind it onto the mandrel. When the operator is about to start making a roll he raises the arm 54 from the shelf 59, as indicated in dotted lines in Fig. 2, and places the arm on the threads 57 This will bring the paste applying roll 35 from the dotted position in Fig. 1 up to the full line position and will bring gear 38 into mesh with gear 26. Then, as power is applied to slowly revolve the drums 23 and 24, the pasting mechanism will also be revolved and paste brought against the paper. The operator also passes a short length of clean unpasted paper about the mandrel so as to protect the mandrel from the aste. The amount of this paper should be ust enough to cover the mandrel. As the paper is drawn through the walls and wound onto the mandrel, it is coated with paste as long as arm 54 rests on the threads 57. While the parts are in the position indicated in Fig. 1, a definite amount of pa er will be drawn through the machine an a core of predetermined size will have been prepared before the arm 54 drops off the end of the threaded shaft 57. When this event occurs, a spring 60 connected between link 36 and the bottom of the tank 29 will pull the adhesive roll 35 down away from the paper. This will break the driving connection, and the pasting apparatus will cease to function. The pa er will then continue to be drawn throug the machine and the roll nears formed up to .full size, such as is indicated in dotted lines, in the usual manner.

I unroll and fill up the hole.

It will be noted that the springs 42and 43 act not "only as levers for raising the paste applyin roll intoposition, but they also squeeze t e roll against the paper.

In using such a mandrel in the paper mill,

as indicated in Fig. 1, it is expanded to the predetermined diameter, and a turn of per is passed about the mandrel, after which furthcr paper is drawn on through the pasting mechanism, as above described. After the roll of paper, such as is indicated in Fig. 3, is completed, the mandrel is collapsed and removed from the roll leaving an opening. the walls of this opening being made of freshly pasted paper forming a core to prevent the unwinding of the paper. In many mills, it is customary to wind two or more rolls simultaneously, and, where this is the case, the slitter cuts the paper to the proper width and the rolls are readily broken apart after the mandrel has been removed. a I

In the printing establishment, amandrel identical with that used in the paper mill, except that it may be shorter as it handles but one roll of paper at a time, is used. The mandrel is collapsed, then inserted into the opening in the roll and expanded to grip the sides or walls of the opening. The mandrel used in the printin establishment should preferably permit a? a slightly greater expansion than the one used in the paper mill, as it must be expanded against the core far enough to grip it tightly. The mandrel and roll may be accurately lined up by placing the ends of the mandrel at the end of the roll. As above pointed out, the mandrel does not travel when it is being expanded.

Next the mandrel is locked in place, and it is then impossible for the mandrel to loosen in the roll. The usual brake mechanism is applied to the shaft of the mandrel, and the paper is run off through the press in the usual manner, friction being applied to the shaft for the usual purpose.

It will be noted that in using paper oil a mandrel in the manner above indicated all of the good paper is available for use in the press. None of it is destroyed by the locking device, as is customary in the looking devices now in use. It should further be noted that the paper lost in making the pasted tube is substantially the same amount of paper as is mutilated by the locking devices now in use.

While it is preferable to make the paper core out of paper which is to be wound into a roll, it is, of course, obvious that the mandrel could be used on a prepared core and that this prepared core might be either the ordinary spirally pasted cylinder or a prepared cylinder made by winding paper in the fashion indicated in Figs. 1 and 2, these cores being stored for use.

By carr ingout the handling of paper in the met od above indicated, it is obvious that the great expense attendant upon shipping iron pipes to and from the paper mill and printing establishment will be elimi' nated, together with the fixed charge for the investment in these pipes and the expense pa and trouble incident to accounting for and handling them. The pasted paper cores are made from paper which is readily available in the paper mill, and the loss resulting from using this paper to make the cores is comparable with that now brought about by mutilating the inner portion of the roll by afiixing the locking devices necessary for applying the friction drag in the printing press.

What is claimed is: Y 1. The combination with a paper winding mechanism having two spaced apart drums upon which a mandrel for winding the paper may rest, and devices for driving the drums; 0 an adhesive applying mechanism, and means for brin in it into operative relation with one o t e drums whereby paper passing about the drum may be coated with adhesive.

2. The combination with a paper winding mechanism having two spaced a art drums upon which a mandrel ifor winding the paper may rest, and devices for driving the drums; of an adhesive applying mechanism underneath one of the drums, and means for bringin it into operative relation with one of the rums whereby paper passing about the drum may be coated with adhesive.

3. The combination with a paper winding mechanism having two spaced apart drums upon which a mandrel for winding the paper may rest, and devices for driving the drums; of an adhesive applying mechanism,

means for bringing it into operative rela 'mandrel may rest, of adhesive "applying devices including a movable adhesive roll adapted to be brought against the paper as it passes into one o the drums.

5. In paper handling machinery, the combination with devices for winding a roll of paper onto a mandrel including two spaced apart power driven drums upon which the mandrel may rest, of adhesive applying devices including a movable adhesiie roll adapted to he brought against the paper as it passes into one of the drums; and means for automatically discontinuing the operation of the adhesive applying devices after adhesive has been applied to a predetermined length of paper.

6. In paper handling machinery, devices for making, a paper core on a mandrel, said devices including a pair of spaced apart drums upon which the empty mandrel is adapted to rest, mechanism for driving the drums so that paper may he wound onto the mandrel to form a roll, an adhesive applying mechanism adjacent one of the drums for coating the paper with adhesive.-

7. In paper handling machinery, devices for making a roll of paper having a paper core, said devices including a mandrel, a pair of spaced apart drums upon which the empty mandrel is adapted to rest, mechahis!!! for drivin g the drums so that paper may be wound onto the mandrel to form a roll, adhesive applying, mechanism adjacent one of the drums for coating, the paper with adhesive; and means for automatically discontinuing the operation of the adhesive applying mechanism after adhesive has been applied lo a predetermined length of a er. GEORGE \V. DlNG l l. 

